package alice.test.topology.aquarium;

import java.awt.*;

import javax.media.j3d.*;
import javax.vecmath.*;
import com.sun.j3d.utils.universe.*;

public class ViewChange extends Canvas3D {

	private static final long serialVersionUID = 1L;
	float sensitivity;
	float distance;
	float camera_x, camera_y, camera_z, camera_xz, camera_xy, camera_yz = 0;
	float phi = 0;//(float)Math.PI;
	float theta =  (float)Math.PI/3;
	
	SimpleUniverse universe;
	TransformGroup Camera;
	Transform3D Transform_camera_pos;
	Transform3D Transform_camera_phi;
	Transform3D Transform_camera_theta;
	Vector3f Vector_camera_pos;
	
	public ViewChange(float Distance, float Sensitivity, GraphicsConfiguration config){
		super(config);
		distance = Distance;
		sensitivity = Sensitivity;
		universe = new SimpleUniverse(this);
		ViewingPlatform vp = universe.getViewingPlatform();
		Camera = vp.getViewPlatformTransform();

		camera_y = distance * (float)Math.sin(theta);
		camera_xz = distance * (float)Math.cos(theta);
		camera_x =  camera_xz * (float)Math.sin(phi);
		camera_z =  camera_xz * (float)Math.cos(phi);
		
		Vector_camera_pos = new Vector3f(camera_x, camera_y, camera_z);
		Transform_camera_pos = new Transform3D();
		Transform_camera_pos.setTranslation(Vector_camera_pos);
		Transform_camera_phi = new Transform3D();
		Transform_camera_theta = new Transform3D();
		Transform_camera_theta.rotX(-theta);
		Transform_camera_phi.rotY(phi);
		Transform_camera_theta.mul(Transform_camera_phi);
		Transform_camera_pos.mul(Transform_camera_theta);

		Camera.setTransform(Transform_camera_pos);

		addMouseMotionListener(new MouseViewEvent(this));
		
	}
	
	
	
}